The present invention relates to a composition for treating diabetes, which comprises an extract from Poria cocos, particularly obtained by extraction with an organic solvent. The present invention also relates to a composition for treating diabetes, which comprises a compound of formula (I).本發明係關於一種治療糖尿病之組合物,其係包含來自茯苓之萃取物,具體而言,此萃取物係以有機溶劑萃取而得。本發明亦關於一種治療糖尿病之組合物,其係包含具有式(I)之化合物。